Macintosh Classic II Analog Board repair Help! — #13

Post #13 by uniserver

Source Forum	68kMLA
Category	PowerPC
Post Date	Fri, 10 Jul 2015 - 20:57
Original URL	https://68kmla.org/bb/threads/macintosh-classic-ii-analog-board-repair-help.2309/

Post

thank techkinght, Techknight also was the one that solved this one too!

https://68kmla.org/forums/index.php?/topic/21414-classic-analog-board-voltage-problem/

techknight

68LC040

Posted 04 January 2014 - 07:55 PM

check the optoisolator in the feedback circuit, it may need replaced.
Main PC: Intel core I7 920, MSI x58 platinum, Radeon4850
PB: tibook G4, ibook G4, ibook g3x2, Lombard, 160, 165, 180, 180c Duo 2300x2, Duo 270c x2, 520cPPC, 3400c, 1400c
Desktop: G3AIO, SE, SE/30, 512k, plus, LCIII, iMac G4, iMac intel, 6400/225